IBM 3274 51C Maintenance Information Download Page 1

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Summary of Contents for 3274 51C

Page 1: ..._0 _ Maintenance Library Control Unit Models 51C and 52C Maintenance Information SY27 2513 4...

Page 2: ...acilities 5 1 5 1 1 3274 Models SIC and 52C SDLC 5 1 5 1 2 3274 Model SIC BSC 5 1 5 1 3 3274 Models SIC and 52C Modes Speeds 5 1 5 1 4 Communication Adapters 5 1 5 2 Communications Attachments 5 1 5 2...

Page 3: ...Panel 0 1 0 1 1 Indicators8421 0 1 0 1 2 Loop Attachment Indicators 0 1 0 1 3 Switched Line Operate Switch Call In Progress Indicator 0 1 0 1 4 2400 4800 and 9600 bps Integrated Modem Indicators 0 1...

Page 4: ...Results 5 19 5 13 4800 bps Integrated Modem Card LED Locations and Test Results 5 20 5 14 9600 bps Integrated Modem Card LED Locations and Test Results 5 21 5 15 Transmit Levels Nonswitched for A FE a...

Page 5: ...ite Operation E 18 E 15 Record Update Write Operation E 19 E 16 Read Data Signals E 19 E 17 File Data Signals E 20 E 18 31 SO Test Pins E 20 E 19 31 SO Control Card E 21 E 20 31SD Control Card Cable E...

Page 6: ...must be performed sequentially If the problem is encountered by these steps you will be directed to an FRU replacement figure chart a MAP or a maintenance procedure When the problem has been isolated...

Page 7: ...ce when using the MAPs 1 2 1 3 4 Operator Panel Basic operator controls for 3274 Models 51C 52C without communication features loop I200 bps Integrated Modem etc are shown in Figure 1 8 See Appendix D...

Page 8: ...Wrap Test requires approximately 1 minute to complete ALT 2 with 2400 4800 and 9600 bps Integrated Modem Feature See paragraph 5 4 for a description of the ALT 2 functions as related to Integrated Mod...

Page 9: ...ial Panel Note The fan assemblv OtL is not shown Access Panel Figure 1 2 3274 Models 51C 52C Locations 1 4 Power Supply No 2 01E Power Transformer 01G __________ Line Plate WT only 01C Diskette Reader...

Page 10: ...osition Xl is not required when storage is 64K Your machine may already have connector installed 3 Not present when control is equal to 64K Figure 1 3 OIA AI Board Model SIC with without Category B De...

Page 11: ...located behind the I O coaxial panel Figure 1 5 01A A1 Roard Model SIC without 2400 4800 and 9600 bps Integratcd Modem PN 5643329 or 6226635 II Not Used I H V H V c D G H V See Note See Note See Note...

Page 12: ...01A E2 _ _ 18 2400 4800 9600 bps TAC Note 4 01A C2 19 2400 4800 9600 bps PROM 01A B4 _ _ 20 2400 4800 9600 bps 1M Front End 01A G2 21 Encrypt Decrypt See Note 5 01A A2 _ _ 22 File Control located in t...

Page 13: ...ads the machine directly Use only after normal IML fails 2 Holding while momentarily pressing the IML pushbutton invokes adapter and wrap tests Used Only with Integrated Modems 3 Holding the ALT IML A...

Page 14: ...y Note Ifyou are in a repetitive loop request assistance from the next level ofthe support structure d The IML tests do not check the driver receiver cards Step 5 will assist you in isolation of a def...

Page 15: ...1 or a 2 if previously in setup mode will appear in the OIA The time between power on and the appearance of the 1 in the OIA should not exceed 2 minutes Internal Test Procedures a For a 3274 with eit...

Page 16: ...rd Nos 24 25 26 27 1001 L ____ _ Notes Encryptl Decrypt Card No 21 1 To convert card number to a boardlcard socket location see Figure A 12 pages FO 3 and FO 5J or Figure 1 7 2 See attached 327813279...

Page 17: ...or if not all cards are available Check for proper diskette 3 Go to MAP A40 if problem still exists 3 Check for loose card in socket Y6 Go to MAP A50 Go to MAP A50 See Figure 2 4 See Step 8 in this c...

Page 18: ...age Volume 1 13 02 01 01 00 V2 U2 T2 S2 R2 02 04 P2 64 Base 64R AOOO 96 Ext Funct Store 3630 32 64R BOOO 128 Ext Funct Store 3632 64 64R 0000 or 1800 128 Ext Funct Store 3630 32 32 64R COOO 3631 192 E...

Page 19: ...S XX f lGG8G88BB 0 000 Control Storage Card 32K Card No 1 GGGBBBBB80 STORAGE MODULES XX 1 188GGBBBB 0 ODD Control Storage Card 64K Card No 2 Control Storage Card 64K R Card No 3 When XX 9 or 18 the fa...

Page 20: ...ocation A device POR is required after the cables are interchanged for the control unit to recognize the change For display set the Normal Test switch to Test then back to Nonnal However on a 3290 dis...

Page 21: ...ions are indicating device disabled line 2 or coax or device errors lines 4 and 5 start at Step 5 to isolate the problem 5 If line 8 indicates summary checks go to Step 6 Example A Machine configured...

Page 22: ...GGHH JJKK 0000 0000 0000 0000 0000 Counter AABB CCDD EEFF GGHH JJKK Notes Meaning Summary of all machine checks Summary of all communication checks Summary of all program checks SDLC test commands re...

Page 23: ...ne This is necessary because of the various addressing schemes used by SSC SNA etc To translate primary addresses see Figure 2 7 Figure 2 8 Port Address Table without 3290 Displays ModeI5IC Line 1 A02...

Page 24: ...on wrap procedure if subsystem communication failure is suspected See paragraph 5 3 and Step 8 c Machine check An error has occurred within the CU or device that is nonrecoverable by the subsystem The...

Page 25: ...enance procedures The diskette microcode level may be incorrect Verify feature load diskette compatibility Use the 3290 maintenance procedures Use the 3290 maintenance procedures Programming error Che...

Page 26: ...rovide fault isolation Microcode detected error Indicator does not provide fault isolation Microcode detected error Replace cards R2 51 CI and P2 52CI Replace cards S2 51 CI and Q2 52CI and verify tha...

Page 27: ...method If the subsystem will not go online call the PSR or the CE at the host system location 2 Check the fans for proper operation and replace if defective Step 11 Last Option a See the Symptom Repai...

Page 28: ...ny MAP you must follow the procedure exactly as given Remember to perform Machine Check MAP AlOO after having fixed the problem 3 2 Contents MAP AlO Bus Test 3 2 MAP A20 Control Logic Failure 3 7 MAP...

Page 29: ...Bus test will run with only Control logic card No g and adapter control type A card No 12 installed in the machine CAUTION Before removing cards or cables switch power off Step 001 continues 3 2 MAP A...

Page 30: ...me install top card to card connectors and run Bus test after you install each card Bus test should fail again when you install one of these cards Replace the failing card Run Bus test to verify the r...

Page 31: ...ll card to card crossover connectors Run bus test Go To Map A100 Entry Point A 011 Completely remove all the unseated cards from the board card guides Note only cards No 9 and 12 are left in board Swi...

Page 32: ...ched on See Figure 83 o Verify that the signal power on reset is pulsed red green and after a slight delay then goes to up red and stays up Is probe point correct at TSR No 2 Y N 017 Switch power off...

Page 33: ...from card in operator s panel assembly See FO 7 and FO 9 Does bus test still fail Y N 020 Go To Map A100 Entry Point A 021 It is possible to plug card numbers 4 5 and 6 into the board backwards See F...

Page 34: ...9 The type A adapter card No 12 and the control storage card No 3 and the control storage feed thru jumper cards No 4 5 and 6 This test can run with only these cards and all other cards removed from...

Page 35: ...ed in step 004 one at a time and run control logic test after you install each card Control logic test should fail again when you install one of these cards Replace the failing card Go To Map A100 Ent...

Page 36: ...that were not replaced in Chapter 2 Figure 2 3 Does control logic test still fail Y N 011 Reinstall all the cards that were unseated Run control logic test Go To Map A100 Entry Point A 012 Reinstall a...

Page 37: ...B 2 015 Map A20 Control Logic Failure Code 0000 PAGE 40F 4 Go to Page 3 Step 012 Entry Point C 3 10 MAP A20 4...

Page 38: ...plies when the 51TD is installed NOTE 1 Before using this MAP the drive file control card no 22 and the Diskette Adapter card No 1 0 should have been replaced This MAP uses card reference numbers to s...

Page 39: ...rect diskette for machine model and features Note Verify that a 2 sided diskette is not being used in a 1 sided drive 31SD Is the drive belt broken or damaged Y N 002 Is the disk drive motor turning Y...

Page 40: ...e red felt pressure pad missing or contaminated lift head load actuator arm tip See Figure E 3 2 1 or F 3 2 1 Y N 009 Reseat disk drive cable Y5 in board See Figure A 12 Run IML tests Does IML test co...

Page 41: ...oint ground See card 5V test point Figure E 42 or F 41 Is the voltage within the limits of 4 6V to 5 5V Y N 016 Measure 5 volts D C at power supply No 1 plug 1 pin 5 with reference to ground 008 See p...

Page 42: ...backup customized system diskette Run IML tests Does IML test code 0010 still fail7 Y N 024 Go To Map A100 Entry Point A 025 This would normally be experienced after a board replacement and your mach...

Page 43: ...2 sided diskette will not function in a l sided drive b If the system diskette is defective or cannot be isolated then as a group use a new set of the following parts Diskette adapter card number 10 C...

Page 44: ...ing cards or cables switch power off Is the IML test failing with error code 0011 or 01007 Y N 002 You are in the wrong MAP go back to subsystem isolation start Chapter 2 003 At the 3274 device coax p...

Page 45: ...AO is also failing 007 Is the IML failing code 00111 Y N 008 Is the failing code 01007 Y N 009 You are in the wrong MAP go back to subsystem isolation start Chapter 2 010 Verify that type A DR REC car...

Page 46: ...er must match the machine CCA or HPCA feature Ref Figure A 5 for part number Verify that type A Dr Rec card No 28 and cable is securely plugged into I O coax panel assembly Verify that DR REC type A c...

Page 47: ...lso cause this failure code First the device adapter IML tests are run without testing the attached display or printer and then the attached devices are tested for readiness The first to be found read...

Page 48: ...talled o Verify for loose or defective device B cable in board location A 1 Z2 See Figure C 18 o Verify again all cards from chapter 2 step 4 Figure 2 3 that could cause device type B error code 1000...

Page 49: ...air action is performed MAP A 100 will verify the repair or send you back to subsystem isolation checkout in Chapter 2 Switch power on if not on Is the power on indicator lighted Y N 002 Go To Map A12...

Page 50: ...4 008 Problem not corrected by repair action Go back to Chapter 2 and continue subsystem isolation 009 Is the subsystem ready symbol lit on the 3278 that is attached to address port zer07 A Y N 010 G...

Page 51: ...n 2 TSR s are used card sockets A through G receive their voltage from TSR No 2 and sockets H through V from TSR No 1 NOTE Model 52C sockets are A H and J V The 5 volts is used to turn on the Power On...

Page 52: ...s if all TSR loads are disconnected plugs P1 and P2 disconnected CAUTION Before removing cards or cables switch power off DANGER Input AC voltage is present on prime power box plug Pl and ON OFF switc...

Page 53: ...N 009 Verify for good socket J3 and cable plug P3 connection at pins 1 and 3 Go To Map A100 Entry Point A 010 Set C E meter to 50VAC scale Measure 48 VAC at CR 1 diode assembly across the two pins tha...

Page 54: ...and No 2 Y N 014 Verify for open cable connection from filter capacitor Cl to TSR power supply that has missing voltage Go To Map A100 Entry Point A 015 Does your machine have two TSR power supplies Y...

Page 55: ...a time and perform power on after you install each card Power on indicator should remain off again when you install the failing card Note Do not install cards when power is on Go To Map A100 Entry Po...

Page 56: ...o To Map A100 Entry Point A 026 Does your machine contain a line plate assembly See Figure 4 12 Y N 027 Entry Point D Switch power off At Type A coax I O panel assembly disconnect push pin from termin...

Page 57: ...2 25 or Z6 Replace the OPS panel component card Go To Map A100 Entry Point A 031 Switch power off and disconnect all the board cables from board except power cables Y3 and 24 J After power was off wai...

Page 58: ...ntry Point A 038 Entry Point E At logic board inspect for loose OPS panel cable Z5 or Z6 Inspect for loose cables on operator panel indicator card See Figure D 9 Switch power off At OPS panel assembly...

Page 59: ...measure 5VDC at jack J1 and J2 pin 2 1 and pin 12 I See Figure B 3 Is the 5VDC still missing7 Y N 045 Switch power off and reconnect previously disconnected power supply No 2 plugs P1 and P2 M Go to P...

Page 60: ...2B 13 I 22 to 26 I No 1 I 960 MV I INote 21 I I I 1 5 IC2B06 1 4 6 to 5 51 No 1 I 200 MV 1 1 8 5 IG2007 1 7 8 to 9 31 No 1 I 340 MV NOTE 1 Measure this point only when machine is a Model 52 C NOTE 2 M...

Page 61: ...o IP P M V 1 1 5 IC2D03 1 4 6 to 5 51 No 2 1 200 MV 1 1 5 IT2003 1 4 6 to 5 51 No 1 I 200 MV 1 1 8 5 IC2B11 1 7 8 to 9 31 No 2 I 340 MV 1 1 8 5 IT2B11 1 7 8 to 9 31 No 1 I 340 MV I 1 12 IR2S13 1 11 to...

Page 62: ...is missing at power supply No 2 plug and repair cable plug if needed See Figure 8 3 Replace TSR power supply No 2 Go To Map A100 Entry Point A 056 If voltage is missing verify that same voltage is mis...

Page 63: ...fuse condition can be caused in the primary circuits power transformer diode assembly filter capacitor or the TSR 1 E power supply assembly The Fan assembly or 31 SO file motor can also cause the fus...

Page 64: ...gure B1 Is the correct A C voltage present Y N 003 Disconnect the 3274 power plug from power outlet Verify for open or defective power line cord plug On prime power box verify for good socket J 1 and...

Page 65: ...fuse still blow Y N 4 c 008 Switch power off At prime power box connect previously removed plug P2 C Switch power on Does fuse still blow Y N 009 Switch power off Check fan assembly and cable for shor...

Page 66: ...box reconnect previously removed plugs P2 and P5 Replace power supply No 1 See Figure 4 9 Go To Map A100 Entry Point A 015 Switch power off G Replace blown fuse At TSR power supply No 1 reconnect prev...

Page 67: ...d P5 P5 U S and Canada o Replace power supply No 2 See Figure 4 9 Go To Map A100 Entry Point A 019 Switch power off o Replace blown fuse o At prime power box reconnect previously removed plugs P2 and...

Page 68: ...CR 1 diode See Figure 4 7 Go To Map A 100 Entry Point A 023 Switch power off Replace blown fuse If World Trade machine check fan for binding condition If World Trade Machine check that the power trans...

Page 69: ...e and display code of 0111 016 is indicated If the self test fails the failing card is indicated via the led indicators on the A1 02 card The self test and wrap test description and procedure is descr...

Page 70: ...se cable plug P3 on operator panel indicator card See Figure 4 13 If you have a failing led indicator verify cable continuity from operator panel plug P3 to board socket Z2 See FO 9 Replace operator p...

Page 71: ...minute does the wrap test end with a code of 1111 D Y N 010 Replace front end card G2 Set card switches para 5 4 6 1 Replace card H2 Replace the receiver card F2 The problem is the 3274 is not receiv...

Page 72: ...24 and check card code function and see para 5 4 through 5 4 3 Was board option wiring and card code function correct for machine features Y N 016 Modify as needed Go To Map A 100 Entry Point A 017 R...

Page 73: ...ee FO 5 for integrated modem card layout card locations are G2 02 F2 E2 H2 C2 C4 Verify for correct card board plugging for machine integrated modem operating speed See Figure 5 24 and verify card cod...

Page 74: ...tem problem isolation in chapter 2 to isolate the error condition This MAP uses card reference numbers to specify card socket locations See FO 3 to convert card number to the real socket location CAUT...

Page 75: ...ing procedure form See B o Perform concurent test 2 procedure for displaying configuration table from the system diskette This table contains the configuration options and if neccessary use table to v...

Page 76: ...problem still exists obtain another feature diskette and perform customization once more Go to subsystem problem isolation Chapter 2 Step 1C Use your support structure for aid if problem is not correc...

Page 77: ...tion response listing displayed with sequence number 9007 C V N 016 Enter another sequence response and keep returning to Entry Point B until verification listing with sequence number 900 is displayed...

Page 78: ...the feature diskette with the system or language or RPQ diskette When performing procedures without feature diskette did the 8421 indicators display the proper code codes C Y N 021 o See figures in th...

Page 79: ...function Use your support structure for aid if problem is not corrected 024 Entry Point C Do the IMl diagnostic tests fail with a flashing 8421 code value of 0101 0110 0111 1000 1001 or 10117 C See H...

Page 80: ...are the 8421 indicators ending with a value of 11017 0 Y N 032 After power on are the 8421 indicators ending with a value 00007 0 Y N 033 o Verify that the 3274 has the proper system diskette o Go to...

Page 81: ...worn when perfonning removal and replacement procedures I DANGER Before starting any procedure be sure that the control unit is completely powered off and that the power cord plug is removed frem the...

Page 82: ...atches Q to the open position by using a key h x actuator D or a No 4 metric No 156 domestic Allen wrench 3 Uft the cover straight up to remove The CE maintenance information manuals are located in th...

Page 83: ...pply Warning When the board is in the service position the card connector rows l 2 3 4 S 6 are inverted Be careful when identifying the correct position of any card or connector 4 To close the gate as...

Page 84: ...right Do not use the extractor levers to reseat the card Apply firm rmger pressure to the card holder e or connector housing for double ended cards to ensure proper contact seating 2 After reseating...

Page 85: ...s GND Yellow Green Grounding Wire To On Off Switch Figure 4 4 Prime Power Box Rear View 4 Disconnect all the connectors 0 from the prime power box 5 Remove the two hex bolts Gfrom the upper and lower...

Page 86: ...er 4 6 6 World Trade countries only Remove the fan leads from the transformer terminal strip Note the location of wires for use in reassembly See Figure B 6 7 Remove the three hex mounting bolts e and...

Page 87: ...yellow grounding wire e Early Version Later Version Two Fan Version Figure 4 6 Fan Assembly Air A FlowV 6 Remove the fan assembly two fans are present in machines with 2400 4800 or 9600 bps integrated...

Page 88: ...assembly G Power Supply No 2 5 Remove the diode hex mounting bolt e and remove the diode assembly 6 To reinstall reverse these steps and use Figure 4 7 to identify diode slip on pins Warning Be sure...

Page 89: ...ower IS on Wire No 3 1 Wire No 2 To diode To Power CRl _ Supply No 1 El E2 Figure 4 8 Prime Power Input Filter Capacitor 3 Open the gate and power supply housing paragraph 4 2 4 Remove the tie down st...

Page 90: ...the gate and power supply housing paragraph 4 2 R16 J1 _E2 Wire No 2 CD E1 Wire No 1 Figure 4 9 TSR Power Supply 4 10 4 Remove the plastic shield to be reinstalled on the new supply e 5 Disconnect J1...

Page 91: ...er receptacle Ground E2 small push pin El Figure 4 10 I O Panel Driver Receiver Card 3 Open the gate see paragraph 4 2 4 To remove the I O panel depress the two locking tabs on top of the I O panel 5...

Page 92: ...ire e I O cable DC return from the ground screw Figure 4 11 Diskette Drive 4 12 To Prime Power Box Plug J2 To TSR Supply No 1 6 Unplug the I O cable e from the file control card 7 Loosen the two locki...

Page 93: ...e phone socket must be terminated with 600 ohm resistors The 600 ohm terminating plug shown in Figure 5 11 Part 1 of 2 can be used Yellow Green Grounding Wire Figure 4 12 Line Plate Card World Trade C...

Page 94: ...bps Integrated Modems connectors e from the indicator card Figure 4 13 Operator Panel Indicator Card 4 14 7 Depress the two panel tabs CD to release the card 8 To reinstall the panel reverse these ste...

Page 95: ...s add a yellow wire from E2G02 to E2B08 Not Used I O Connector Figure 4 14 Logic Board Assembly c If the 3274 contains the 1200 bps Integrated Modem feature perform the following For a two wire Nonswi...

Page 96: ...C4BI3 card side C4B13 pin side Add G2D11 to C5B09 M4B12 to C5D02 C5D04 to C4B13 Check for Deletion C5D02 M4B12 Wire Length 228 6 mm 9 0 in 228 6 mm 9 0 in 101 6 mm 4 0 in 8 To reinstall the board rev...

Page 97: ...Rear View Figure 4 15 Operator Panel Switches To J1 Prime Power Box Il W On Off Switch Chapter 4 Removal and Replacement Procedures 4 17...

Page 98: ...Communication Facility unless the CCA with clocking is installed in the 3274 When the 3274 contains clocking the line speed is set by the Line Speed switch located on the operator panel and can be eit...

Page 99: ...em may be integrated in which case EIA or V 35 interfaces are not present Figure 5 1 Part 1 of 2 Communications Configuration 5 2 OOSA SOLC CSU 3274 51C HPCAI CCA X 21 X 21 SOLC OCTE 3274 51C HPCA EIA...

Page 100: ...p Modem Loop Loop SOLC Host 8100 Control Unit 3274 Modem 3842 3 51C 52C 3872 HPCA See paragraph 5 1 1 Direct Attached Loop Loop SOLC Host 8100 3274 51C 52C HPCA See paragrapb 5 1 1 Host may not be pre...

Page 101: ...Information System either locally through a directly Trademark of American Telephone and Telegraph Co 5 4 attached loop or remotely through a data link attacl1ed loop using SDLC protocol The directly...

Page 102: ...1D13 B12 B1Dll 007 C1Cll Dll C1Dll 012 B1Bll DOS C1A13 B09 A1Dll 002 C1C13 Bl1 B1C13 B06 B1A13 B04 A1El 003 B1El1 008 I See Note 2 Line DC Voltage Active 8V Inactive 8V 110 Conn r 20 4 23 11 lB 6 r 5...

Page 103: ...let R I 1 6 I Data Modem Ready Yellow OA I Signal Ground Gray SG U12 Data Term Rdy Note 1 1 B02 l l J I I LJ L J L __________ Red Label Nonswitched C Y Yello I I Line Active Inactive Open DC Voltage O...

Page 104: ...N 5267856 Sw N Sw SNBU I I I I I I Line Plata WIT A08 Telephone Set 2 TB1 o 2 Telephone Set 1 Tel 7 B08 TBl 8 Telephone Line 2 4 BOl TBl 9 Telephone Line 1 5 A02 GND T8 5 Not Used 805 A04 807 B03 I _...

Page 105: ...ble Conn C1A11 009 I I 1 A1E13 1 803 C1813 T 810 Cl E13 _1 813 I I 1 1 1 I I I 1 I I I I I 1 1 1 I 1 I O Conn 12 External Cable Xmit Data DT Rcv Data DT1 Xmit Data OR Rcv Data DRll External CSU Connec...

Page 106: ...B1A13 A1D13 Bl E11 Cable Pin 009 B10 B03 B13 B04 B02 008 Internal Cable PN 5267854 41 3274 1 0 Conn n _ II L J 10 9 12 11 6 20 7 Data White Data Red Rec Orange Rec Blue Pick Relay 1 Yellow Pick Relay...

Page 107: ...ohms Jl0 G04 100 to 150 ohms J04 GI3 100 to 1500hms 3 Card PN 8564561 used in early production machine It should be jumper as shown in Figure C 1S Board Conn VI Cl013 Bl0ll C1E13 A1E13 C1All C1B13 Al0...

Page 108: ...e Me6sure resist6nCl as shown in chart below If resistance s correct check communication cable for shorts and opens If resistance is incorrect replace card G2 From To Resistonco Approxim 1 G2 G04 G2 J...

Page 109: ...T data tip T tip DR data ring R ring DA data modem ready OH off hook CCT coupler cut through data coupler ready R I ring indicate SW switch hook Figure 5 9 CBS Data Coupler U S and Canada 5 12 I I I I...

Page 110: ...itch should be set to Test The cable should also be left plul2l into the modem clocking is supplied by the modem Ij the wrap test fails the only indication will be a flashing 0111 on the operator pane...

Page 111: ...rocedures to isolate the problem External Check Indicator Indicates that errors are external to the 3274 If this indicator is on use the Host 8100 maintenance procedures to isolate the prohlem The loo...

Page 112: ...I I I I I I I 1 o 2 345 6 7 8 0000000 o 0 0 0 0 15 16 17 18 19 Cable Pin 009 Bl0 B03 B13 008 9 10 3274 I O Conn 25 Pin Note 2 9 Note 2 10 Note 2 12 Note 2 11 2 11 12 13 0 SSg 25 Pin Connector Male In...

Page 113: ...d Tsm White Tsm Red Tsm White Tsm Blaek Ree Yellow Rec Red Tsm White Tsm Yellow Rec Blaek Ree 1 25 Pin I O Connector Male 283B Plug PN 1714951 3m 10 h PN 1714952 6m 20 ft PN 1714953 9m 30 ft PN 171495...

Page 114: ...llow Rec Black Ree 1 25 Pin 110 Connector Male Bk PN 2767157 PN 2767156 PN 2767159 NTT Quick Disconnect R PN 5162880 Connection to NTT facilities by NTT representative PN 1714988 3m 10 ft PN 1714989 6...

Page 115: ...a flashing 0111 code Addi tional information may also be displayed in the 8 4 2 1 indicators and or at the display attached to location AO depending on the level of the diskette code When the 3274 doe...

Page 116: ...ce cards for all symptoms 3 Indicator results shown with AL T2 switch held depressed Figure 5 12 2400 bps Integrated Modem Card LED Proc 0 0 0 I Operator Panel LED Failing Card Poor Note 1 0 02 G2 84...

Page 117: ...rds for all symptoms_ 3 Indicator results shown with AL T2 switch held depressed Front End Proe 0 0 0 0 0 0 0 0 Operator Panel LED Failing Card Poor Note 1 0 02 G2 84 02 G2 F2 84 02 F2 G2 84 C2 G2 02...

Page 118: ...T2 switch held depressed Front End 0 0 0 0 0 Failing Card Proc Poor Note 1 Notes Card LEOs flash once 0 during each self test 0 E2 G2 C2 84 Self test failed to start E2 G2 F2 02 84 Self test failed to...

Page 119: ...dications with the appropri ate chart located in Figure 5 12 5 13 or 5 14 Isolate the failing card 7 Turn power on to initiate IML and the self test Verify that the failure has been repaired 8 If the...

Page 120: ...wn in the Offposition 2 Jumper PN 2731801 not normally installed See section 5 6 9 5 Figure 5 17 2400 bps Integrated Modem Front End Card Not Used Nonswitched on Line a Off 1 n C s II 2 OffITJl 3 cal...

Page 121: ...ed for the various A FE and E ME A countries To change or verify the TAC transmit tone level see Figure 5 22 for the necessary jumpering Country Setting Country A FE dBm E ME A Australia 13 France Chi...

Page 122: ...13 to G2P08 Adjustment is not required in the 9600 bps integrated modem 5 4 9 4 Continuous Noncontinuous Carrier Normally Not Adjusted A 9600 bps point to point modem Modell is set no board wiring req...

Page 123: ...xt Processor Pt to Pt Processor Multipoint TAC PROM TP Network Attachment Point Non to Switched Point G2 Yes Yes 02 Yes Yes G2 Yes Yes F2 Yes Yes 02 Yes Yes G2 Yes Yes F2 Yes Yes 02 Yes Yes E2 Yes Yes...

Page 124: ...22 33 5 Front End Card Al G2 Receiver Card Al F2 Note Cards shown are for a 4800 bps Integrated Modem Figure 5 25 Top Card Connector Pin Locations Chapter 5 Communications Reference Data 5 27...

Page 125: ...Card module socket All pluggable ROS modules that are removed from the Processor Card are stored in a plastic box in the 3274 Some of these modules may be used again when the field change updates the...

Page 126: ...ion describes in more detail the LPDA requests and responses that it uses The support program interprets the results in order to localize the fault to The master modem The 3274 integrated modem The DT...

Page 127: ...ettings 5 30 Numeric Modem Address Switch Value Settings 0 Off Off Off Off 1 Off Off Off On 2 Off Off On Off 3 Off Off On On 4 Off On Off Off 5 Off On Off On 6 Off On On Off 7 Off On On On 8 On Off Of...

Page 128: ...sses 00 3278 1 MIS 3290 2 MIS 3290 G 3 MIS 3290 2 e 4 CD 3287 G 2 5 MIS 3290 3 6 MIS 3290 3 7 MIS 3290 4 3274 Coaxial Panel 4 5 6 7 A 2 Note the following refer to Figure 5 31 as you do so Port 0 6 ca...

Page 129: ...logical addresses is 76 If an addressing problem is suspected or if MIS devices cannot be configured for multiple interactive screens check customization responses 112 116 117 and 118 Config 5 32 urat...

Page 130: ...ypt Decrypt feature diskette and the master key procedure is entered and verified or tested the error codes 397 398 and 399 may be displayed When this occurs the customer is directed by the Problem De...

Page 131: ...ss door D 4 Remove the old battery II from the clip II on the bracket 5 Unlatch the connector latch m and disconnect the battery connector III 6 Connect the battery connector II to the new battery II...

Page 132: ...not turn the key clock wise to the horizontal position 8 Go to the 3178 3278 3279 Display Station that is attached to 3274 port AO The top two rows of the screen should contain the following informati...

Page 133: ...the Terminal Master Key has been changed 99 if the Terminal Master Key has not been changed 44 if the Terminal Master Key has been changed to be displayed at the top center of the display screen on I...

Page 134: ...10r Information Area during this procedure indicates an Encrypt Decrypt failure Refer to the 3274 Problem Determination Guide for the recovery procedure 4 Place the diskette drive operator knob in the...

Page 135: ...Do Not Enter symbol is displayed in the Operator Information Area you did not enter the correct Terminal Master 13 14 Key in Step 11 17ze mealling ofthe Operator Illfor mation Area symbols is explaill...

Page 136: ...oundary values a customer can obtain a distribution of responses for each logical terminal in his network The operator of an authorized display can retrieve and display the RTM logs of all configured...

Page 137: ...nnector A 3 Figure A 3 Field Replaceable Units FRUs A 4 Figure A 4 Field Replaceable Unit FRU Part Numbers A S Figure A S Card and Board Part Number Selection A 6 Figure A 6 Configuration and CE Data...

Page 138: ...h a carris G2 E4 03 and C2 in illultf tion 1 am location designation if rpecified by the uppermost row Example The location of carrl G2 which actually occupie four ockett i rpecified by the uppermost...

Page 139: ...3 2 Y 13 1 2 z 13 Figure A 2 Pin Locations Top Card Connector Top Card Connector PN 1794410 l Position Top Card Connector PN 5267787 2 Position Top Card Connector Card Side 22 2 22 2 P Q 33 13 33 13 E...

Page 140: ...Assembly TSR 1E Power Supply Assembly P2t Figure A 3 Field Replaceable Units FRUs A 4 Prime Power Transformer Line Plate Assembly G CR 1 Diode Assembly Filter Cap ClI Logic Cards and Top Card Connecto...

Page 141: ...Power 50 60 Hz 100V 240V WT Single TSR 50 60 Hz 200V 240V WT Dual TSR 50 60 Hz 100V 127V WT Dual TSR Input Power Diode Assembly Input Power Filter Cap Power Supply See Figure A 5 for part numbers See...

Page 142: ...bps 1M Receiver 2682448 8276996 16 02 9600 bps 1M Receiver Ext 2682414 17 02 2400 bps 1M Processor 1734673 5892781 6056271 6056846 17 02 4800 bps 1M Processor 1734676 5892782 6056269 6056847 17 E2 96...

Page 143: ...ted Function Terminals 173 3290 Options 175 Password 176 BSC Enhanced Communication Option 201 Control Unit Address 213 Between Bracket Printer Sharing 215 Physical Unit 10 220 Alert 301 BSC Control U...

Page 144: ...ddress Mode Class Source Device List A A M x x x x y y y y y y y y 70717273 74757677 7879808182838485 0 1 2 3 4 5 6 7 8 9 1011 121314 15 161718 192021222324252627 282930 31 Figure A 7 Printer Authoriz...

Page 145: ...II To pin to be tested Note A longer test up MULT D Set lead PN463606 M S U may be used oO t N LATCH Main Probe IBM Power Lead UPGI a Set Test Lead NONE DOW fJ To ground pin GATE REF 008 J08 P08 14 VG...

Page 146: ...Figure A 9 Prime Power Box Locations A lO 0 3 4 Jl J3 u s and Canada 1 o 3 4 Jl J3 World Trade Countries 0 Fl G 2 J2 J5 o Fl J2...

Page 147: ...8 Infinite 3289 Infinite rh Frame Ground AC Ground Signal Ground DC Ground Building Ground Green Wire Not a connection Figure A tO 3274 Models SIC and S2C Grounding 3277 r I 1 I I I I I ___ J 3284 328...

Page 148: ...ter Portion of Card see Note Board End Board End Cards 8514516 No 5 and 2411890 Nos 5 and 6 Card 8517087 Note To identify the top card connector end locate the lighter portion of the card Figure A it...

Page 149: ...e Expansion 1802 Storage Jumper cards and Storage Logic card required for above 64K Base Storage Feed Thru cards are required for 64K 1802 is not required with 1800 Model 52C Kanji Location Storage Vo...

Page 150: ...II OCPowe loop Only 0 7 ZI Z2 Z3 Z4 Z5 Z6 Noli 21 Not t Not pffttmt whim control I u to 64 2 Obi I n Z5 or Z6 dtlpendlng upon In r IC n 3 Typtf A Dri r nt iVf r C rd No 2810cllred btthind tht I O coIt...

Page 151: ...1M Processor 01A D2 17 9600 bps IM Processor 01A E2 18 2400 4800 9600 bps TAC Note 3 01A C2 19 2400 4800 9600 bps PROM 01A C4 20 2400 4800 9600 bps 1M Front End 01A G2 21 Encrypt Decrypt See Note 4 0...

Page 152: ...ind 11 1 0 ro i 1 5 Top card connector position Xl not f qulrwd when stOrtf equlf to 64K Your m hlne maya rudy hal connector Inst lI d B OIA Al Board Model SIC with without Category B Devices 011 Al Y...

Page 153: ...1IIOI iIlPd Model 51C with 1M 4800 II Not U ed I C 0 G H V See NOI U 1 0 t Z E Ii w i C 18 e 0 I I il a a 5 Ii Ii 8 0 0 i i I a z 21 16 17 16 H V NOli Sacker If V um at E OlA A I Boa d Oefr i f A Do c...

Page 154: ......

Page 155: ...er and Input Single Dual Supply B 2 Figure B 2 Single Power Supply System B 3 Figure B 3 Dual Power Supply System 2 Parts B4 Figure B 4 Power Supply Distribution Flow Diagram B 6 Figure B S Board Volt...

Page 156: ...ormer I_I ___ J ___J 75V Wire No 4 Notes 1 A Phase 01 C Phase OZ or neutral 2 Power transformer is shown for 120V U S and Canada See Figure 8 6 for World Trade transformer voltage jumpering 3 Pins 1 3...

Page 157: ...4 I 9 8 5V B05 I Bl0 I 5V B06 10 t t tI I Ir B09 I OC Ret B07 12 t 1 B08 I OC Ret 005 I 13 006 1 OC Ret V 007 I 14 r t t il 002 I 15 OC Ret V 009 I 010 I 2 5V 002 003 I 3 5V 004 011 V 012 t I 013 4 5V...

Page 158: ...0 00 00 00 00 18 o B02 o B03 o B04 o B05 o B06 o B07 o B08 r 7 El _ _ To Type A 7 Or Rec Card o B09 o Bl0 01K Jl BOl B03 AOl Paddle Card Bl0 B09 B12 B13 Dl1 012 013 B08 010 009 v008 007 006 KD05 vB07...

Page 159: ...B05 Power On Reset B04 SV Not Used a sv Not Used SV Not Used o B02 o B03 o B04 o B05 o B06 007 0 0 B07 DOS 0 0 BOS 009 0 0 B09 0100 0 Bl0 0110 0 Bll 0120 0 B12 0130 0 B13 Board Socket A1 Z4 N6 C04 N6...

Page 160: ...Distribution Dual Power Supply System Sockets H V J V Note 1 I I I I I I Operator Panel Card P2 A02 Power On Ind 31SD File 002 007 I008 D13 5V L6D02 P2 Al1 o U6D02 5 Power Supply No 2 01 E DR REC No...

Page 161: ...3 pins 2 24V is found on K2 B13 3 8 SV is found on G2 007 4 8 SV is found on all Bl1 Gl Ml1 pins for card sockets A through A MocIelS2C 1 12V is found on sockets P V M13 and 513 pins 2 24V is found on...

Page 162: ...Single TSR Machine World Trade 01G T1 No 7 P3 From Figure 8 1 1 Ret 2 200 208V To Diode CR l 2 GND 01 l El Notes Note 2 220Vac Note 1 Gnd AC Ret Power Transformer 01G 7 Fan ground wire exists only wi...

Page 163: ...ormer 01G Gnd AC Ret No 8 1 Fan ground wire exists only with metal h0 using fan 2 Fan always connects to 0IG Tt 1 4 120V foral values of line voltage 100 127V Dual TSR Machine World Trade Oll Fan Asse...

Page 164: ...Card Jumpering Card No 14 U S and Canada Only C 9 Type A Adapter Coaxial Panel Card and Cable 2 Parts C 10 Cable from the 0IA AI Board to Diskette Drive File Control Card C 12 Figure C 15 X 21 Nonswi...

Page 165: ...Qj Sw 2 7 dBm 2 7 4 8 dBm 3 7 9 dBm 4 7 c 3 10 dBm 5 7 ell 11 dBm 6 7 2 12dBm 1 8 U 13 dBm 2 8 1 On On On On 14 dBm 3 8 Note 3 Note 3 Note 3 Note 3 15 dBm 4 8 R1 Potentiometer OdBm OdBm OdBm OdBm Non...

Page 166: ...m 3 7 E II 9 dBm 4 7 c 3 10 dBm 5 7 C1l 11 dBm 6 7 3 2 12 dBm 1 8 VJ 13 dBm 2 8 1 On On 14 dBm 3 8 Note 3 Note 3 15 dBm 4 8 OdBm OdBm R1 Potentiometer Nonswitched line xmit level Note 2 Notes 1 Switch...

Page 167: ...5688021 or 8564481 N Sw 2 Wire 4 Wire Description 8 Transmit Level Low 7 Not used 6 On On Equalizer Setting 5 On 2 wire N Sw Sw 1 4 On Echo clamp 3 CS delay 2 On CS delay 1 On 4 wire N Sw 8 odBm 1 Pos...

Page 168: ...On On 14 dBm 3 B Pos On Note Note 15 dBm 4 8 Pos On 8 On 4 wire nonswitched line 7 odBm 1 Pos On 1 dBm 2 Pos On 6 2 dBm 3 Pos On 3 dBm 4 Pos On 4 dBm 5 Pos On 5 5 dBm 6 Pos On 6dBm 1 7 Pos On Sw3 4 7...

Page 169: ...Bm Austria 6dBm Not applicable Belgium 6dBm Not applicable Brazil OdBm Not applicable Canada OdBm 10dBm Chile 6dBm Not applicable Colombia OdBm OdBm Costa Rica OdBm OdBm Ecuador OdBm OdBm France 12 dB...

Page 170: ...Line plate current is adjusted by positioning a jumper on the line plate assembly as follows 1 Remove the factory installed adjustment jumper from position 4 See D and II 2 Connect a voltmeter use th...

Page 171: ...elect carrier speed and mode using chart below_ Speed selected must match the speed of service provided by the loop controller Data Carrier Beacon Mode Carrier Select Select Speed i 11 9 6K bps i I I...

Page 172: ...ps Note 1 Notes v 1 Install jumper 2731801 to select 56K bps 9 6K bps 4 8K bps or 2 4K bps Speed selected MUST match the speed of service supplied by common carrier 2 This jumper MUST always be instal...

Page 173: ...6C04 J6E04 A14 812 _________ P G M PO R _________________ C6004 K6A04 A15 B13 __________LP oull A dur B i t 2___________________ C6E04 K6B04 AOl D02 Not sed A6D02 H6A02 A16 013 ____________ Se D R C a...

Page 174: ..._ _ _ _ _ _ _ A07 O 11 1 I 23 n __ 04 1 2 5V All Rec Data Card 1 I Rst Sel Sip LTH I A08 J1 I B 0 13 130 PLS Data to Sel Dr I 12oJ O 1 2 A09 II 11 Sel Device Is Awake 1110 O Al0 11 1 L i 70 1 07 II L...

Page 175: ...Pair 01 Cll 807 A07 01813 Inner Tracks 804 808 A08 006 Gnd Twisted Pair 01 011 01 C13 Erase Gate 809 A09 006 Gnd Twisted Pair 01 011 01013 Access 0 806 Al0 007 Gnd Twisted Pair 01 Ell 810 01E13 Head...

Page 176: ...e jumperPN 2731801 5 6 v 11 12 2 Always jumper card as shown for switched or nonswitched operation Figure C 16 X 21 Switched or Nonswitched Adapter Card Jumpering A Com C B F Com E o Notes 1 Position...

Page 177: ...h10 I 112 13 B Figure C IS Cable Type B Coaxial Panel to Al Board C 14 t J1 D B ro Ol Type B I 2 I Cable Dr Rec A1 Z2 Card I I I I I Device Card I I 0 3 No 30 I I I 13 I t 9_0 J Yellow Green Grounding...

Page 178: ..._ ________ __1 01 M 9 10 51 4 TB2 Loop Cable Outgoing Legend r o r K1 1 K Relay Pl Connector K2 2 L l 6 __ S Switch TB Terminal Block Kl 2 A Alternate M Main R Receive Sl Wrap left switch S2 Wrap righ...

Page 179: ...Test segments are run sequentially and the particular segment running is indicated by the lights in 8 4 2 I code When a failure is detected the test stops and the failing test number is displayed in t...

Page 180: ...ttachment feature is shown in Figure 0 2 This panel located in the customer access area provides loop mode and speed controls D 3 2 1200 bps Integrated Modem Control Panel The modem control panel for...

Page 181: ...le pressing the IML pushbutton invokes adapter and wrap tests Figure D l 3274 Operator Panel Model 51C with Digital Data Service DDS Adapter or Models 51C 52C with X 21 with without Encrypt Decrypt Fe...

Page 182: ...on Machine Check Indicator Indicates problems internal to the 3274 Note If the I O cable is not attached to the LSC connector the machine check indicator will be turned on after the IML Op Code is loa...

Page 183: ...pressing tho IML pushbutton invokes the adapter and wrap test Ref Figure D 3 3274 Operator Panel Models 51C 52Cwith 1200 bps Integrated Modem or External Modem Description 8 4 2 1 indicators These li...

Page 184: ...nnection has been established switched network only Ref o m Figure D 4 3274 Operator Panel Models 51C 52C with 1200 bps Integrated Modem with 1 Switched Line with Auto Answer Feature or 2 NQnswitched...

Page 185: ...ey all go out During opera tion the indicate opE rational status Ref o Figure 0 5 3274 Operator Panel Model SIC with 120o bps Integrated Modem with I Switched Line with Manual Auto Answer Feature or 2...

Page 186: ...f Operate This indicator shows that the Integrated Modem is ready to exchange data with the attached TP network Test This indicator is on when the Integrated Modem is in test mode Test mode is entered...

Page 187: ...8 14 7 1 Z1 Logic Module 8 1 14 7 1 9 8 56 Data 5peed 510 not used 10 5 16 1 I I I I I I B A B A Operator Panel Assembly Notes Com N O N C 512 Encrypt Decrypt Keylock Encrypt Decrypt Battery 1 Probe P...

Page 188: ...Call In B OK Check Check Progress Talk 0 0 0 0 Data Line Transmit Level Loop Data Speed 1 dB 2dB Speed B 1c J1c J1 Pri DOD Sec 4 dB adB B rn Comm Local 0 Figure D B Operator Panel Locations without 24...

Page 189: ...able Plugging 1 Pin24 J 2400 4800 9600 bps 1 I Integrated Modem d v hh Note Pri Sec Speed Sl Loop connects to the operator panel card at P2 Pri Sec Speed sa 1200 bps 1M connects to card at P3 Appendix...

Page 190: ...tor case becomes hot after continuous use This appendix contains the maintenance information needed to service the IBM 31SD Diskette Drive It includes the service check adjustment removal and replacem...

Page 191: ...3 Head Load Solenoid and Bail E 34 E 3 3 1 E 3 3 2 E 3 3 3 E 3 3 4 E 3 3 5 E 3 3 6 E 3 3 7 E 3 3 8 E 3 4 Solenoid and Bail Service Check E 34 Head Gap Service Check E 36 Head Gap Adjustment E 36 Bail...

Page 192: ...ntry data exchange and data storage The 31SD Diskette Drive shown in Figure E 1 can read from and write to a diskette 1 The diskette drive reads and writes in frequency modulation FM only If a disk et...

Page 193: ...first hole per mits the diskette drive to turn the diskette the second hole permits the read write head to make contact with the disk ette and the third hole permits the phototransistor light to go th...

Page 194: ...cylinder is defined as the tracks of a diskette that can be read from or written on without moving the read write heads E 1 1 2 Diskette Insertion and Removal To insert or remove a diskette proceed as...

Page 195: ...ment surface or the drive hub and pulley assembly is damaged the diskette drive should be exchanged o Force Gauge Part 460870 Timing Pin Part 5562019 storage posif n Figure E 4 31 SO Special Tools E 6...

Page 196: ...wer needed to operate the 208 180 220 0 20 diskette drive which includes 220 193 238 0 20 240 All the following 208 254 0 20 Logic Maximum 50 Hz single phase ae power Voltage Operating Input Average d...

Page 197: ...servicing them The Danger and Caution notices throughout this appen dix are personal safety precautions E 1 3 2 Machine Safety Diskette drives can be damaged if they are not operated or serviced corr...

Page 198: ...diskette Do not place heavy books on diskettes Do not touch or attempt to clean diskette surfaces Contaminated diskettes will not function correctly Do not place diskettes near magnetic materials Data...

Page 199: ...rive parts are shown in Figure E 9 I Figure E 9 Part 1 of 4 Diskette Drive Parts E IO PTX Mounting Bail Actuator PTX Screw Rod Diskette Guide 31 SD Head Carriage Assembly 51 TD Head Carriage Assembly...

Page 200: ...iskette Drive Parts Stepper Motor Drive Pulley Fan Fan Enclosure Drive Belt AC Drive Motor Head Load Solenoid Stepper Motor Connector Retainer Screw 2 LED Connector 1 0 Connector Diskette Drive PTX Co...

Page 201: ...0 TPF01 TPC04 0 0 TPC01 o TPD01 TPF 00 00 00 00 00110 CP 00 00 00 TPG02 0 0 TPG01 TPH05 0 God H 24VDC k24V oTPHLD rolB I2 2JA 2 1 LEDCP oTPLED SCP 4 1 Figure E 9 Part 3 of 4 Diskette Drive Parts E 12...

Page 202: ...n of the diskette drive line Test line Names Points Names 5 Vdc TPG01 File Data 5 Vdc TPG02 Erase Gate Access 1 TPH01 MC 3 01 PTX TPH02 MC 2 Write Data TPH03 MC 1 Ground TPH04 MC O Inner Tracks TPH05...

Page 203: ...AOI SM A06 SMA05 SM A04 SM A03 SMAOI SOL A03 BOI 01 LEAD Voltage Black 31SD AOI 01 PTX Black PTX A03 01 PTX Return AOI 01 LEO Ground Red A06 Stepper Motor MC O Yellow A05 Stepper Motor MC I Red A04 St...

Page 204: ...hich clamps the collet RIW heads are now much nearer to the diskette The head is loaded touching the diskette B The solenoid is activated the cable pulls the bail and the bail lowers the head to the d...

Page 205: ...D Head Load RIW Head O ilHUb PTX Diskette _J E Z Z Z Z Z Z Z r z11 1 cf u Bail Head Load Arm Collet LED Operator Knob 0 0 0 0 Figure E 12 Diskette Insertion and Head Load Operation E 16...

Page 206: ...are not to the index Figure E 13 Diskette Operation Sequence E 2 4 Read Write Principles E 2 4 1 Write Data For each change of the write data signal the current switches in the read write head This pr...

Page 207: ...tes Index n n J j ff e r r fl J C Write Gate ___I I __ I I __ r I J EraseGatel ___ j I I The write gate signal is activated any time between the leading edge of the index pulse e and 50 bytes after th...

Page 208: ...ED 51TD ONLY Read Head Signal at TPAMP1 and TPAMP2 0 05 V cm 0 05 V cm 2 0ms cm 200 0 Js cm Figure E 16 Read Data Signals SCOPE SETUP Note Use Tektronix 453 454 or similar oscilloscope with x 10 probe...

Page 209: ...bes Channel A sweep mode Normal Channel A level Channel A coupling DC Channel A slope Channel A source External Trigger Normal Mode Channell Channell volts division 1 0V cm Channell input DC Times per...

Page 210: ...Connector Pins t O CP I O Connector Pins LEDCP LED Connector Pins SCP Solenoid Connector Pins HCP Head Connector Pins SMCP Stepper Motor Connector Pins Test Line Points Names TPA01 5 Vdc TPBOl 5 Vdc...

Page 211: ...d position 6 Pressure Pad e Read Write Head Collet Actuator Rod Figure E 21 Part 1 of 2 Collet Flat Spring Removal E 22 Warning Do not attempt to remove the collet flat spring G before removing the ba...

Page 212: ...21 2 parts Warning Too much pressure or binding of the flat spring G will damage the spring 1 Reinstall the collet flat spring assembly G 2 Reinstall the collet pressure roll CD and actuator roll D 3...

Page 213: ...ing the collet If the diskette will not move in and out smoothly the flat spring e has been damaged and a new flat spring should be installed 11 Perform the Head Gap Adjustment paragraph E 3 3 3 Apply...

Page 214: ...load arm 8 Lightly press on the new pad with a clean screwdriver 9 Using the small end of the pressure pad tool e press at 90 degrees to the head load arm 10 Use your other hand to turn the tool at l...

Page 215: ...e Head Carriage Cable Connector Figure E 23 Head Carnage ervi S ce Check E 26 Carriage Pressure Spring eTimingPin Head Carriage Assembly Gapat G d 39 Timing CYlin POi CDTiming Block...

Page 216: ...n 14 Insert the thickness gauges from the end of the timing pointer G and timing block CD to verify the indicated gap 0 0 483 mm 0 019 inch Go 0 533 J1lm 0 021 inch No go Note Because of the torque ch...

Page 217: ...Remove the cable guide 0 CD Clamp Screw Figure E 25 Part 1 of 2 Head Carriage Adjustment E 2S 3 4 5 Measure and record the gap 0 between the stepper motor pulley 0 and the casting Gapis _____________...

Page 218: ...AO O 0 TPA oTPBOI TPB TPC04 0 0 0 TPCOI TPC oTPDOI TPD TPEOJ 0 0 0 TPEOI TPE TPF020 PFOI TPF Jumper 0 TPG02 0 T PG TPH050 TPH TPH04 l 0 0 TPHOI o IPLED SCP 4 I o TPHLD D o TPAMP I oTPAMP2 DD 7 HCP I 1...

Page 219: ...4 Tighten the two screws CD that fasten the bracket to the carriage Remove the clip e and the carriage pressure spring Q Go to step 10 of paragraph E 3 2 2 E 3 2 4 Head Carriage Removal See Figure E...

Page 220: ...oStepper Pulley 43 Notch in Guide Rod e Guide Rod Screws Head Carriage Cable Connector I I L r r G Cable Guide Fi ure E 26 Head Carriag e Removal Appendix E IBM 31SD Diskette Drive Maintenance E 31...

Page 221: ...H d Load Arm o ea AC Drive Motor Power Cable Inspect drive band for damage E 27 Part 1 of 2 Figure E 32 lacernent Head Carriage Rep...

Page 222: ...E TPFD20 T P FD I ______ T P F______ J u_m _ r__ 00 00 00 00 00 00 00 TPGD2 0 TPHD5 o TPGDI OJumper O OTPHDI 00 I D CP 00 00 00 00 00 00 00 0018 lOla A 2 1 LEDCP o TP24V o TPLED SCP 4 1 o TPHLD TH D F...

Page 223: ...Does the timing pin pass through the timing hole freely Y N 1 Remove the timing pin 0 Remove the jumpers and G Power down Go to step 3 of paragraph E 3 2 3 Remove the timing pin 0 16 Go to step 12 of...

Page 224: ...ad Carriage Assembly G31SD 3 to 4 mm 0 118 to 0 157 inch 51TD 2 to 3 mm ReadIWrite Head 0 079 to 0 118 inch 31 SD Control Card 4 1 tD 3l PTXCP BA 00 1 o o TP24V o TPLED SCP 2 1 4 1 TPG02 0 TPHOS 0 I t...

Page 225: ...the gap OK7 E 36 Y N Go back to step 3 Go to Solenoid and Bail Service Check paragraph E 3 3 1 E 3 3 4 Bail Adjustment See Figure E 29 1 Power down I DANGER Voltage is still present at the socket whe...

Page 226: ...p Adjustment Head Load Solenoid Activated Head Carriage Assembly Strip of Clean Paper 0 Head Load Solenoid Deactivated Head Carriage Assembly I Bail Assembly 31 SD 3 to 4 mm 0 118 to 0 159 inch Bail A...

Page 227: ...4 Turn the operator knob to the open position 5 Perform the Head Gap Adjustment paragraph E 3 3 3 E 38 E 3 3 7 Solenoid and Idler Removal See Figure E 31 1 Power down I DANGER Voltage is still presen...

Page 228: ...Plunger Figure E 30 Bail Removal Eyelet Crimp Facing Out Push in on the bail to release the cable eyelet from the hook Appendix E IBM 318D Diskette Drive Maintenance E 39...

Page 229: ...or Leads o Lever Screw GSail eAC Drive Motor Power Cable Figure E 31 Solenoid and Idler Removal E 40 G Push in on the bail to release the cable eyelet from the hook CD Solenoid Locking Setscrew oPlung...

Page 230: ...se 3 Position the fan and pulley on the motor shaft with a gap of 0 5 mm 0 1 mm 0 020 0 004 inch between the motor face and the fan hub Tighten the setscrew 4 Reinstall the fan enclosure e with the be...

Page 231: ...Guide Figure E 32 AC Drive Motor Removal E 42 I Capacitor i Bracket Assembly Note Motor capacitor leads go through holes in insulator caps Insulator Caps Cable Guide AC Drive Motor Pulley Fan Drive P...

Page 232: ...per drive band e assembly can be easily damaged Do not bend crease or scratch the band 4 Remove the three mounting screws 0 0 amI and clamp e that attach the stepper driw band e to the stepper motor d...

Page 233: ...t Slotted End o Head Cable Connector A Stepper Motor W Cable Connector A Head Cable VGuide Figure E 33 Stepper Motor E 44 Clamp Screw eStepper Motor Drive Pulley e Stepper Motor Drive Pulley Drive Ban...

Page 234: ...arriage assembly e at track 40 5 Loosen the three mounting screws 0 and CD that attach the band to the pulley e and the carriage bracket G 6 Tighten screw G Ensure that the band 0 remains parallel to...

Page 235: ...se a damaged band 1 Attach the end of the band 0 with the welded adapter 4 to the slotted end e of the carriage bracket Leave the clamp screw 0 loose 2 Attach the band to the stepper motor pulley e wi...

Page 236: ...ure E 35 Part 1 of 2 Drive Band Adjustments Stepper Motor eDrive Band Clamp Pulley CDScrew o Screw Bracket slotted end AC Drive Motor Power Cable 0 Block the head carriage approximately 25 mm 1 inch f...

Page 237: ...e 1 and close the operator knob See Diskette Use paragraph E 1 1 2 2 To activate the head load solenoid install a jumper G from TPF01 ground to TPHLD head load 3 Set up an oscilloscope as shown in the...

Page 238: ...ILED b 5VdC LED 1 0 V cm I e I 20 ms cm ____ Probe TPEOl index PTX It e Il G Figure E 36 Diskette Speed 20 ms cm toOscilloscope Settings Channel A sweep mode Channel A level Channel A coupling Channel...

Page 239: ...3 6 3 LED Removal See Figure E 38 1 Power down 2 Remove the LED connector e from the control card 3 Remove the LED cable Note the cable path for future replacement 4 Remove the LED mounting screw e t...

Page 240: ...GER Voltage is still present at the socket when the power cable is disconnected 2 Disconnect the ac drive motor power cable 3 Remove the PTX connector G from the control card 4 Power up 5 Connect the...

Page 241: ...00 00 00 00 00 00 00 oolB rolB A 2 1 LEDCP o TP24V o TPBOl DTPA010 TPC040 0 0 0 TPC01 oTPD01 TPE03 0 0 TPE01 TPF02 0 TPF01 o TPLED SCP TPG02 0 TPH050 oTPHLD 4 1 CD Multimeter GPositive Probe J Figure...

Page 242: ...ainer screw e Warning Be careful not to damage the control card 11 Turn the two control card retainers Ci out of the control card path and remove the control card e Note the position of the control ca...

Page 243: ...ement PTX Removal an Screw Stepper Motor Connector d Connector Hea e Control Card Control Card E Retainer 2 A Control Card 2 iv Retainer Screw Head Load ector SolenoId Conn G LED Connector I O Connect...

Page 244: ...Control Card Stepper Motor Connector Head Connector A Control Card v Retainer 2 Control Card Retainer Screw 2 Head Load olenoid Connector 3 LED Connector tJ I O Connector __ PTX Connector Appendix E...

Page 245: ...Cable Test Line Test Line Points Names Points Names THOl Diff Read B TPAOl 5 Vdc TH02 No Pin TPB01 5 Vdc TH03 Diff Read A TPC01 Access 1 TH04 Not Assigned TPC02 01 PTX TH05 Disable Stepper Motor TPC0...

Page 246: ...ning Ensure that the heads do not hit each other when the bail is removed from under the head arm Warning Too much pressure or binding of the flat spring will damage the spring Warning The head carria...

Page 247: ...ly protected in a thin jacket can be placed in an envelope Data can be read from or written_on either side of the diskette Information is written on the diskette in tracks A track is a circular path o...

Page 248: ...iskette drive with the label facing the knob 4 Turn the operator knob to the closed position Figure F 3 Diskette Insertion Operator knob in the closed position To remove a diskette 1 Turn the operator...

Page 249: ...he field the drive hub and pulley assembly cannot be exchanged in the field If the track 40 adjustment surface or the device hub and pulley assembly is damaged the diskette drive should be exchanged e...

Page 250: ...4 0 50 12 A selection of the needed ae power from the following lists 60 Hz single phase ac power 230mm 9 inches Figure F 5 51 TD Physical Characteristics Input Average Input Voltage Operating Voltage...

Page 251: ...6 2721 492 5442 per sector 256 bytes 284 160 568 320 985 0883 per sector 512 bytes 303 104 606 208 1 136 640 per sector 1024 bytes 1 212 416 per sector 1 The total number of data bytes that can be sto...

Page 252: ...F 1 4 Diskette Drive Parts Figure F 9 Figure F 9 Part 1 of 5 Diskette Drive Parts F 8 Head Carriage Assembly PTX Mounting Bail Actuator Rod Diskette Guide LED LED Mounting Pressure Roll Screw...

Page 253: ...Fan Fan Enclosure Drive Belt AC Drive Motor Head Load Solenoid Stepper Motor Connector Head Connector Head Load 1 Solenoid Connector Control Card Retainer 2 I Control Card Retainer Screw 2 LED Connect...

Page 254: ...7 TPAOS TPA09 TPA10 TPB01 TPB02 TPBOJ TPS04 TPB05 TPB06 o TPDOI TH IIIlie IUIUJ il I B D line Names MC 3 MC 1 MC 2 MC O Ground Erase Gate Ground Head Load 5V dc D2PTX 24V dc Ground Select Head 1 Write...

Page 255: ...ard II Diskette Locking Lever D Collet 1m Pressure Roll II Head Load Bail 1m AC Drive Motor III Head Carriage Assembly ID Timing Pin Old 1m Stepper Motor 1m Thickness Gauge Clip III Carriage Pressure...

Page 256: ...1 read write coil Solenoid Connector not used blank head load head load D A01 A02 A03 A04 A05 A06 II A01 A02 TH IIIII J II liUI il I 8 D LED Connector diskette 2 20 ground blank diskette 2 20 ground...

Page 257: ...This erasing prevents crosstalk between tracks during later read operations Access 0 i i Access 1 t I I I I I I I I I I 01 2 I3 141 I I I I I Switch Filter This line iS used with the Inner Tracks line...

Page 258: ...D02 SVdC TPAMPI CE Test Points Read B TPfOI Data Oegate i Write Erase Enabled I TPAOS _TPLD2 02 LED Voltage J TPA07 LED A03 A03 02 LED Voltage _ TPB02 01 LED Voltage TPLDI LED A06 A06 01 LED Voltage i...

Page 259: ...ad Arm Second R W Head The head is loaded touching the diskette II The solenoid is activated the cable pulls the bail and the bail lowers the head to the diskette Aead Write operation takes place The...

Page 260: ...ad Engagged Read Write Operation t Access 0 I Access 1 i I I I I I 10 I I I I access line to turn the stepper motor a distance equal to one cylinder The two access lines last used to move the head car...

Page 261: ...ollows Data Bit to Be Recorded 1 o Recorded As Clock Bit Data Bit o X o Note X is a 0 bit if the preceding bit is a 0 bit or a 1 bit if the preceding bit is a 1 bit Data bits 10110011 appear as follow...

Page 262: ...ite gate line is activated 316 Lsec after the last 10 character is read 0 The line is deactivated 5 Lsec after the last clock of the 2 bit pad is written 0 The erase gate line is activated G 221 J lse...

Page 263: ...AC Invert Pull out Times per di ision 2 ms cm Connect channel 1 to TPAMP1 Connect channel 2 to TPAMP2 Connect trigger to Index test pin Observe The amplitude of the read signal will be between 100 mV...

Page 264: ...ing DC Channel A slope Channel A source External Trigger Normal Mode Channell Channell volts division 0 2 V cm Channell input DC Times per division 2 psec cm Connect channel 1 to File data Connect tri...

Page 265: ...Pins LEDCP LED Connector Pins SCP Solenoid Connector Pins Head Connector Pins Select Logic TPAOB o 0 Tl llOG 0 0 TPC030 TPU020 HCP SMCP Stepper Motor Connector Pins Figure F 19 51 TO Control Card 5V...

Page 266: ...TPC02 Inner Tracks MC O TPC03 5V dc Ground TPD01 Access 1 Erase Gate TPD02 Switch Filter Ground TPE01 Index Head Load TPF01 Diskette Sense 5V dc TPG01 Write Erase Enabled 02 PTX TPH01 File Data 24V dc...

Page 267: ...actuator rod g Push the operator knob and the collet actuator rod e together until there is a maximum of O l mm 0 004 inch end play G between the operator knob G and the diskette guide E See Part 2 of...

Page 268: ...ains on the pulley and that the cable is not twisted See Part 2 of Figure F 21 Turn the solenoid plunger CD if necessary 9 Turn the operator knob 0 to the open position F 24 CD Plunger Eyelet Crimp Fa...

Page 269: ...and Q Power down Go to the Head Carriage Adjustment paragraph F 3 2 2 step 3 9 Remove the timing pin e F 26 10 To remove the stepper motor to track 39 remove the jumper connected to TPA04 and install...

Page 270: ...ure F 22 S ce Check Head Carnage ervi Carriage Pressure Spring e Timing Pin e A Head Carriage Assembly No Gapat 39 Timing CYlin pOinter V CDTiming Block 1 8 AC Drive Motor Power Cable Maintenance BM 5...

Page 271: ...sable stepper motor 9 To locate the stepper motor at track 40 connect a jumper from TPA07 ground to TPA04 MC O F 28 TPE TPF TPG TPH 6 SMCP 0000 01 TPAMP20 o TPAMP1 D o TPCTO o TPCT1 14 HCP 1 100000000...

Page 272: ...ing and the carriage to hold the head carriage assembly against the thickness gauge The pressure spring is attached to the diskette guide see Figure F 4 e Bracket to Carriage Clamping Screws 2 41 Clam...

Page 273: ...0 0 0 o 0 1 0 CP 0 0 o 0 18 B A j 8 1 1 00 0 01 SCP LEDCP 1 1PA08 rPA07 o b 0 TPA06 TPIJ06 0 0 0 0 0 TPC030 0 0 TrCOl TPDO 0 o TPOOI TPB02 Grountll TPA o TPllOl TPB TPC TPO TPr TPF rp Jumper TI H TH...

Page 274: ...the three screws G and G that attach the band to the stepper pulley 0 and the carriage bracket CD Note the position of the band and clamps they must be in the same position for replacement 5 Remove t...

Page 275: ...acket G and the edge of the pulley C during installation 6 Block the head carriage about 25 mm 1 inch from the casting 0 7 Pull on the adapter welded to band G with 2 5 0 25 pounds force and tighten t...

Page 276: ...oximately 25 mm 1 inch from the casting Inspect drive b md for damage F O 71 J 1 Drive band should C J track parallel to pulley edge Figure F 26 Part 1 of 2 Head Carriage Replacement Appendix F IBM 51...

Page 277: ...kette and turn the operator knob e to the closed position 4 Power up 5 To activate the head load solenoid install a jumper e from TPA07 ground to the head load TPA08 head load F 34 o o b TPAOI TPA04 D...

Page 278: ...to 0 118 inch Readl Nrite Head 51TD Control Card PTXCP TPA10 TPAOB 5 1 I 1000 0 I 6 0 o 0 1 o o 0 o TPB07 D Ground TPA070 TPA06 TPB02 o 0 0 TPEOI o 0 o TPFOI o 0 o TPGOI o 0 o TPHOI o 0 o TPLD2 o 0 o...

Page 279: ...visually only 9 Is the gap OK Y N Go back to step 3 Go to Solenoid and Bail Service Check paragraph F 3 3 1 F 3 3 4 Bail Adjustment Figure F 2B 1 Power down I DANGER Voltage is still present at the s...

Page 280: ...ted Ground TPA07 0 TPAUG TPB02 o 0 0 Head load Solenoid Activated Head Carriage Assembly Strip of Clean Paper G 0 3 to 0 7 mm 0 012 to 0 028 inch Bail Assembly Head Load Solenoid Deactivated Head Carr...

Page 281: ...Now remove the pivot rod 0 the bail return spring 0 and the bail 8 by lifting the bailout from under the head load arm G F 38 F 3 3 6 Bail Replacement Figure F 29 1 Reinstall the bail return spring t...

Page 282: ...ower Cable Figure F 29 Bail Removal Cable G AC Drive Motor Power Cab e e All domestic machines or World Trade machines before EC 841505 e Solenoid Locking Setscrew OPlunger Cable I Rubber Stop On Worl...

Page 283: ...id and Idler Replacement Figure F 30 1 On all domestic machines or World Trade machines prior to EC 841505 reinstall the solenoid CD on the bracket and tighten the solenoid locking setscrew CD On Worl...

Page 284: ...er Screw oBail eAC Drive Motor Power Cable Figure F 30 Solenoid and Idler Removal G Push in on the bail to release the it Solenoid Locking o Plunger OPlunger Cable I Rubber Stop 43 Lever Bail Lever A...

Page 285: ...pacitor leads 8 should extend toward the rear of the machine On World Trade machines with EC 841505 and later skip this step F 42 2 Install the ac drive motor pulley fan 0 on the new motor Ensure that...

Page 286: ...Assembly Note Motor capacitor leads go through holes in insulator caps Motor Capacitor Leads Insulator Caps Cable Guide AC Drive Motor Pulley Fan Drive Pulley Fan Locking Setscrew Fan Enclosure Mounti...

Page 287: ...For World Trade machines with EC 841505 and later Figure F 31 Part 2 of 2 AC Drive Motor Removal F 44...

Page 288: ...ines with EC 841505 and later remove the ac drive motor 0 with the two mounting screws 0 5 Loosen the setscrew Q then remove the ac drive motor pulley fan 0 F 3 4 6 Drive Fan and Pulley Assembly Repla...

Page 289: ...clamp 4D 8 Remove the stepper motor cable connector 0 from the control card F 46 9 Remove the four stepper motor mounting screws CD 10 Remove the stepper motor e F 3 5 2 Stepper Motor Replacement Figu...

Page 290: ...Connector A Head Cable WGuide Clamp Screw A Stepper Motor V Drive Pulley e Stepper Motor Drive Pulley 4 Stepper Motor Pulley Clamp GStepper Motor Drive Band Clamp Adapter e Clamp Screw Clamp Figure F...

Page 291: ...mains within the cutout slot on t e casting the casting F 48 1 Reinstall the pulley e the clamp and the clamp screw e The gap should be the same as in step 3 of paragraph F 3 5 3 Ensure that the clamp...

Page 292: ...Stepper Motor Pulley G inspect drive band for damage or J __ __ __ o G Drive band should track para el to pulley edge Figure F 33 Stepper Motor Pulley and Clamp Removal and Replacement Appendix F IBM...

Page 293: ...or G from the control card 3 Remove the head cable guide 0 Observe the position of the band 0 and clamp e before performing the next step F SO Warning The band Q is easily damaged G Do not bend crease...

Page 294: ...rive Band Ad Justments e Stepper Motor Pulley V nve Band Clamp I Screw Bracket slotted end ftF W orce gauge should measure 2 5 0 25 pounds Appendix F I CD Block the head I car a nage pproximately 25 f...

Page 295: ...F S2 e Clamp Clamp Screw znspect drive band for damage Drive Band Ad Justments...

Page 296: ...06 0 0 TPC030 TPD020 0 0 t ___ Probe 4 Observe an index pulse width of 1 5 to 3 0 ms e occurring every 166 7 4 2 ms e Pulse amplitude should be between 2 4 and 4 2 Vdc CD 5 Remove the jumper 6 Remove...

Page 297: ...eck for a voltage level of 1 Vdc to 2 Vdc e Control Card o PTXCP 5 1 TPA10 1000 0 I 0 D o 0 1 o o 0 o 0 o 0 o 0 o 0 o 0 o 0 o 0 o 0 o 0 o 0 o 0 o TPB07 o 0 1 0 CP o 0 e Positive Probe e Multimeter mea...

Page 298: ...LED cable the LED assemblY and the mounting screw G on the diskette guide 2 Reconnect the LED connector G to the control card Figure F 37 LED Removal and Replacement GLED Assembly SLED Mounting Screw...

Page 299: ...the multimeter CD for a reading of less than 1 Vdc F 56 8 Install one end of jumper e to pin A04 of the PTXCP socket on the control card 9 Observe the multimeter and touch the other end of the jumper...

Page 300: ...PL02 0 0 0 0 o TPLOl 0 0 0 0 0 0 0 0 0 D TPA08 TPA07 o 0 TPB06 0 0 TPC030 TP0020 o TPA06 o 0 0 o 0 TPCOl o TPOOl oAC Drive Motor Power Cable r 0 Negative Probe CD Multimeter 15 Vdc Scale Figure F 38 P...

Page 301: ...nectors e from the control card Note the connector locations and cable paths for easier replacement 11 Loosen the control card retainer screw e Warning Be careful not to damage the control card F SS 1...

Page 302: ...tor Head Connector Control Card Control Card Retainer 2 G Control Card Retainer Screw 2 Head Load _ Solenoid Connector JL _ _ G LED Connector _______ I O Connector ___ PTX Bail Mounting Screw Connecto...

Page 303: ...ol card e 2 Turn the two retainers e inward slightly until they pre vent the card from moving 3 Tighten the two retainer screws CD 4 Reinstall the six connectors 0 on the control card 5 Power up F 3 7...

Page 304: ...king Lever m Collet 1m Pressure Roll ID Head Load Bail IE AC Drive Motor 1m Head Carriage Assembly III Timing Pin Old 1m Stepper Motor fJ II 1m Thickness Gauge Clip Ii Carriage Pressure Spring mJ Driv...

Page 305: ...ound TPA06 Erase Gate TPA07 Ground TPA08 Head Load TPA09 5V dc TPA10 51TD PTX TPB01 24V dc TPB02 Ground TPA TPB TPC TPD TPE TPF TPG TPH TPB03 Select Head 1 TPB04 Write Gate TPB05 Head Engage TPB06 Wri...

Page 306: ...skette 2 20 col 5V A06 MC O A06 diskette 1 anode D Head Connector II I O Interface Connector AOl not used AOl 5V A02 blank A02 power supply ground A03 head 0 read write coil A03 A18 ground A04 head 0...

Page 307: ...tes and demodulates signals transmitted over data commu nication facilities I Multiple Interactive Screen MIS A function which provides the capability of using a display as l P to four co resident int...

Page 308: ...ASSEMBLY P 22 P 6 FILE ASSEMBLY 31 SO AND 51TO P 24 P MOTOR CAPACITOR AND ACTUATOR ASSEMBLY P 26 P 8 DISKETIE GUIDE AND CLAMPING ASSEMBLY P 28 P 9 CARRIAGE AND PULLEY ASSEMBLY P 30 polO SPINDLE AND P...

Page 309: ......

Page 310: ...44 47 28 33 27 26 29 30 ISEE FIG 5 7 P 2 SEEFIG 6 18 2281 DETAILO FIGURE P 1 FINAL ASSEMBLY 3274 SHEET 1 OF 2 INDEX NOS 1 49 13 22E 16 17 15 SPECIAL FOR 11M DETAIL 0...

Page 311: ...OP GERnAN LABEL OPS PNL DDSA X21 ITALIAN LABEL OPS PNL 38LS S OR L SNBU ITALIAN LABBL OPS PNL L ITALIAN I M LABBL OPS PNL R LOOP ITALIAN LABEL OPS PNL DDSA X21 BRAZILIAN PORT LABEL OPS PNL 38LS S OR L...

Page 312: ...ISEE FIG 6 18 44 47 ISEE FIG 5 7 2 22A 3 4 fJ1U 22B DETAILO FIGURE P l FINAL ASSEMBLY 3274 SHEET 1 OF 2 INDEX NOS 1 49 P 4 13 220 22E 16 17 15 SPECI AL FOR IIM DETAIL...

Page 313: ...D 100 110V 50 HZ FILE ASH 51TD 100 110V 50 HZ FILE ASH 31SD 200 240V 50 HZ FILE ASH 51TD 200 240V 50 HZ FILE ASH 3 SD 100 120V 60 HZ FILE ASH 51TD 100 127V 60 HZ FILE ASH 31SD 200 240V 60 HZ FILE ASH...

Page 314: ...ISEEFIG 6 18 44 47 ISEE FIG 5 7 2281 8 DETAILO FIGURE P 1 FINAL ASSEMBLY 3274 SHEET 1 OF 2 INDEX NOS 1 49 P 6 13 22E 16 17 15 SPECI AL FOR IIM DETAIL 0...

Page 315: ...SH 120V 60 lIZ USA CANADA 39 5699505 1 DUAL FAN ASM 100Y 50 60 HZ WT 39 5699506 1 DUAL FAN ASH 200V 50 60 lIZ WT FOB DETAIL BREAKDOWN SEE FIGUBE 4A 40 7362385 4 SCREW THO FORHING INDT HEX HD 4 X 8 LG...

Page 316: ...20V 60Hz 120V 60Hz SINGLE SUPPLY DUAL SUPPLY DETAILO DETAIL 0 VIEW e SINGLE SUPPLY DUAL SUPPLY DETAIL 0 DETAIL 0 93 61 L 98 r 97 102 VIEW G VIEW 0 FIGURE P 1 FINAL ASSEMBLY 3274 SHEET 2 OF 2 INDEX NOS...

Page 317: ...UPPLY WTC ONLY 1 TRANSZORHER BULK 60HZ 120V SINGLE POWER 1 TRAHSPORKEH BULK 60HZ 120V DUAL POWER 1 FUSE SA SB 150V 1 PUSE 2A SB 250V 1 FOSE 3A SB 250V USA CANADA 1 PUSE CARTRIDGE 3 0A 250V 1 LABEL FUS...

Page 318: ...60Hz 120V 60Hz SINGLE SUPPLY DUAL SUPPLY DETAIL 0 DETAIL 0 SINGLE SUPPLY DUAL SUPPLY DETAIL 0 DETAIL VIEWe 90 93 61 858 100 83 102 103 VIEW G VIEW 0 FIGURE P 1 FINAL ASSEMBLY 3274 SHEET 2 OF 2 INDEX...

Page 319: ...EMEA AFE 1 PLATE SEE 8M POWER 230V 50HZ A FE 1 PLATE SEE BM POWER 240V 50HZ EMEA AFE 1 PLATE SEE BM POWER 100V 60HZ A FE 1 PLATE SEE BM PO ER 110V 60HZ A FE 1 PLATE SEE BM POiER 120V 60HZ EMEA AFE 1...

Page 320: ...TC WTC 120V 60Hz 120V 60Hz SINGLE SUPPLY DUAL SUPPLY DETAIL DETAIL SINGLE SUPPLY DUAL SUPPLY DETAIL DETAIL VIEW 90 93 61 858 83 102 VIEW G VIEW FIGURE P 1 FINAL ASSEMBLY 3274 SHEET 2 OF 2 INDEX NOS 50...

Page 321: ...GIAN 1 LABEL HAZARDOUS ZONE SWEDISH 1 LABEL SAfETY 1 LABEL SAFETY CANADIAN FRENCH 1 LABEL SAFETY FRENCH 1 LABEL SAFETY GERHAH 1 LABEL SAFETY SPANISH 1 LABEL SAfETY ITALIAN 1 LABEL SAFETY PORTUGUESE 1...

Page 322: ...I I I 24A I I I I I I I I I I P 14 188 FIGURE P 2 G ATE POWER 21 15 Yi1 ASSEMBLY 18 17C...

Page 323: ...SM TSRIE USED ON HI IlATTAGE ONLY 21 7362385 AR SCREW THO FORMING INDT HEX HD K4 X 8 LG ATT pT 22 2565119 AR BUMPER 23 5267823 1 HOUSING ASM TSR 211 5267829 2 SCREW SIIOULDER ATT pT 24A 5211519 AB CLA...

Page 324: ...FOR PARTS NOT SHOWN SEE FIG P 2 P 16 FIGURE P 3 GATE ASSEMBLY 3 5 8 9 II 12...

Page 325: ...INER GATE LH 5 1362385 SCRBW THD FORltiNG NDT HEX HD 1t4 X 8 LG ITT PT 6 5261811 1 HAHDLE GnE 1 1362385 2 SCREW THO FORIIING INDT HEX HD 4 I 8 LG ATT PT 8 5261826 2 LATCH lSR GATE 9 5261816 1 SPRING F...

Page 326: ...7 II 12 P 18 13 13A SEEFIG 12 14 12 2A Y 13 I I I I I I I I I I I I I I 12 i I II 2A 12 OLD STYLE MOUNTING NEW STYLE FIGURE P 4 FAN PLENUM ASSEMBLY...

Page 327: ...N NEW VERSION ONLY 2A 322550 8 SCREW MACH BD HD 6 32 X _5 LG ATT PT USED ON OLD VERSION ONLY 3 56722 1 WASHER LeCK EXT TEETH NO 6 ATT PT 4 257986 4 WASHER FLAT NO 6 ATT PT USED ON NEW VERSlON ONLY 41...

Page 328: ...3 I 9 FIGURE P 4A P 20 14 15 SEE FIG 12 I I I j OLD STYLE FAN PLENUM ASSEMBLY 17 10...

Page 329: ...STRATION SEE FIGURE IJA GUARD FAN SCREW HACH BD HD 6 32 X 5 LG SCREW MACH UNDRCT BIND HD 6 32 X 2 LG WASHER FLAT NO 6 WISHER LOCK SPLIT NO 6 X 1 4 OD NUT ELAIN HEX 6 32 X 3 8 iL W WASHER LOCK EXT iEET...

Page 330: ...30 P 22 12 n 13 II PANEL ASSEMBLY FIGURE P 5 OPS e 21 28 28...

Page 331: ...ENCH 1 LABEL VOLTAGE PRESENT GERMAN 1 LABEL VOLTAGE PRESENT SPANISH 1 LA5EL VOLTAGE PRESENT ITALIAN 1 LABEL VOLTAGE PORTUGUESE 1 LABEL VOLTAGE JAPANESE 1 LABEL VOLTAGE PRESENT BELGIAN 1 LABEL VOLTAGE...

Page 332: ...P 24 EMBLY 31S0 FIGURE P G FILE ASS...

Page 333: ...60 HZ REF FILE ASH 5170 100 127V 60 HZ REF FILE ASH 3150 200 240V 60 HZ REF FILE ASH 5170 200 240V 60 HZ DESCRIPTION FOR NEXT HIGHER ASH SEE FIGURE 1 18 FOR lLLOSTRA7ION SEE FlGURE 6 1 HOLDER CARD 4...

Page 334: ...FOR PARTS NOT SHOWN SEE FIG P Q 6 P 26 9 13 t 4 14 16 FIGURE P 7 MOTOR CAPACITOR ACTUATOR ASSEMBLY...

Page 335: ...7 9 1 SCREW HEADLESS SOCKET SET H4 X 5 LG ATT PT 6 4240677 1 HOTOR ASH 100 123 5Y 50HZ 100 127V 60HZ 6 4240679 1 HOTOR ASH 200 240Y 7 1621192 2 SCREW HACH PAN HD H4 X 12 LG ATT PT 8 22478 2 WASHBR FL...

Page 336: ...P 28 AND CLAMP ASSEMBLY n DISKETTE GUIDE FIGURE P o...

Page 337: ...HER B1IL PIVOT 1 11621193 1 SCREW H1CH PAN HO H4 X 16 LG ITT PT 8 4240582 1 BAlL SLItt 8 4240583 1 5PRING COMPRESSION TRIM DISKEnES 9 2462514 1 PIN TIMING 10 4240580 1 1 BAIL ISK ACT01TOR 11 4240614 1...

Page 338: ...15 P 30 FIGURE p g C PULLEY ASSEMBLY ARRIAGE AND...

Page 339: ...SD 3 11240620 HEAD CARRIAGE ASH 51TD II 1621110 2 SCREW HACH PAN HD H3 X 6 LG ATT PT 5 1622302 2 WASHBR PLAT H3 50D X 0 5 THK ATT PT 6 4240600 1 BRACKEt BAND 70 CARRIAGE 1 1621170 2 SCBBW HACH PAN HD...

Page 340: ...FOR PARTS NOT SHOWN SEE FIG P 6 P 32 4 7 8 9 FIGURE P 10 SPINDLE AND PULLEY ASSEMBLY...

Page 341: ...0557 liB 1 PULLBI SPIIiDLE 4 5562071 HP 11 SCBEW POLLEY HTG 10 32 I 50LG AU 1 1 41 9092 liB 1 RISHBB LOCK SPLIT RIIIG 194 ID 3370D ITT Pr 5 49374 HP 1 WISHBR FBICTIOH ATf if 6 4240556 liB 1 BBTIIIIER...

Page 342: ...15 HASSIS ASSEMBLV FIGURE P 11 C P 34 I V IO II 12 15A 158...

Page 343: ...STAR H4 8 00 X 0 5 THK ATT PT 7 5267938 2 RECEFTACLE SCBEW TYPE AND NUT 8 5267937 2 BRACKE1 COVER LA1CH M1G 9 7362385 2 SCBEW THO FORKING INDT HEX HD M4 X 8 LG lTT P7 10 H54429 4 PAD 11 1164976 4 SCBE...

Page 344: ...N MA 110 FT 12 19H FOR COMPONENT PARTS SEE INDICES lOA 15 181 28 35 55 55B AND 55G REF C1BLE ASH EXTERNIL LOOP FOR COHPONEN PIRTS SEE INDICES lOA 1 15 28 AND 55F REF CIBLE ISH EXTEBN1L SN Il 10FT 3 05...

Page 345: ...lM WT FO COMPONENT PARIS SEE INDICES lOA 35 181 28 53 AND 55G CABLE ASM EXT SW AA MA OR LL SNBU AA MA 30FT 9 14M WI FOR COMPONENI PARIS SEE INDICES lOA 15 18A 28 53 AND 55G CABLE ASH EITSW AA MA OR L...

Page 346: ...0 AND 64 J 5267735 REF CABLE ASM OP S PANEL ETA DDSA FOR CCMPONENT PARTS SEE INDICES 8 9 I 14 241 29 AND 51 J 5267736 REF CABLE ASM OP S PANEL R LOOP FOR COMPONENT PARTS SEE INDICES 8 9 14A 24A 29 AND...

Page 347: ...M fOB COMPONENT PARTS SEE INDICES 10A 15 181 28 35 55 55B AND 55G CABLE ASM EIT iT 1200 BPS SW A A 611 FOR COMPONENT PIRTS SEE INDICES lOA 5 18A 28 35 55 55B AND 55G CABLE ASM EXT WT 1200 EPS 5i A A 9...

Page 348: ...WER ATTACHMENT 6A AT 250VAC EMEA iiITH PLUG CORDSE7 FOWBR ATTACHMENt 6A AT 250VAC EME WITH PLUG CORDSE7 POWER ATTACHMENT 6A AT 250VAC A AFE OVER 200 4 3M WITH PLUG EMEA CORDSET FOWER ATTACHMENT 6A AT...

Page 349: ...2 3 3A 4 5 6 7 8 r p 9 10 IOA II IIA 12 13 14 15 15A 16 17 18 18A 19 20 21 22 22A 23 23A FIGURE P 12 CABLE ASSEMBLIES WITH COMPONENT PARTS SHEET 1 OF 3 INDEX NOS 1 23 P 42...

Page 350: ...E ASM EXT DDSA 10FT 3 OSM FOR COHPONENt PARTS SEE INDICES 6 10A 15 181 28 4S 46 47 50A AND 551 CABLE ASM EXT DDS A 20fT 6 lH lOR COMPONENT PARTS SEE INDICES 6 10A 15 18A 28 45 46 47 50A AND 55F CABLE...

Page 351: ...24 24A 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 FIGURE P 12 CABLE ASSEMBLIES WITH COMPONENT PARTS SHEET 2 OF 3 INDEX NOS 24 47 P 44...

Page 352: ...DLE CARD 32 411018 AR PIN DUAL LANCE 14 20 AWG 33 1655339 AR PIN eONTAeT 34 2731384 AR PIN 35 341200 An PLUG TELEPHONE 36 1841526 A PLUG 3 CIRCUIT 37 1 1841536 AR PLUG 15 CIRCUIT UNIVERSAL 38 2161204...

Page 353: ...48A 488 49 50 50A 51 52 52A 53 54 54A 548 55 55A 558 55C 55D 55E 55F 55G 55H 56 57 58 58A 588 59 60 61 62 63 64 65 66 FIGURE P 12 CABLE ASSEMBLIES WITH COMPONENT PARTS SHEET 3 OF 3 INDEX NOS 48 65 P...

Page 354: ...CE SOCKET DUAL LANCE 14 20 AWG STIlAIN RELIEF STRUN RELIEF STRAIN RELIEF _ STRAIN RELIEF TERnINAL RECEPTACLE TERnINAL RECEP7ACIE 14 16 AWG TERMINAL FL SPADE 22 26 AWG NO 6 STUD TERMINAL FL SPADE 18 20...

Page 355: ...1 45 5 25 361537 1 52 1589880 5 20 1 49 12 25 369207 1 34 1608286 4 1A 1730905 1 46 2682396 1 47 1 99 1608648 12 10 1734231 1 43 2682397 1 41 430798 12 52 1608649 12 11 1743055 12 49 2731384 12 34 430...

Page 356: ...67863 12 p 5267980 2 30A 4240659 8 6 5267748 1 7 1 5267864 5 9 5267981 12 p 4240661 8 J 12 5267865 4 14 5267983 1 100 4240662 8 3 5267749 2 32 5267866 5 14 5267984 1 311 4240663 8 16 12 K 5267867 5 22...

Page 357: ...8 1 5 5718195 12 5 2 21 5699259 1 5 5718196 12 5 3 5 5699260 1 5 5718197 12 51 3 7 5699263 1 5 5718198 12 5 3 12 5699264 1 5 5718199 12 5 11 9 5699265 1 5 5718217 1 4 11 15B 5699266 1 5 5718262 12 S 7...

Page 358: ...SY27 2513 4 ___ 9 W I J o l r Q c l l I o 3 Ql o l r III C c en...

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IBM 3274 51C, Maintenance Information

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